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CPLD

A Complex Programmable Logic Device (CPLD) is a combination of a fully programmable AND/OR array and a bank of macrocells. The AND/OR array is reprogrammable and can perform a multitude of logic functions. Macrocells are functional blocks that perform combinatorial or sequential logic, and also have the added flexibility for true or complement, along with varied feedback paths.

Traditionally, CPLDs have used analog sense amplifiers to boost the performance of their architectures. This performance boost came at the cost of very high current requirements. CoolRunner™-II CPLDs, created by Xilinx, use an innovative all-digital core to achieve the same levels of performance at ultra-low power requirements. This allows designers to use the same CPLD architecture for both high-performance and low-power designs.

The removal of analog sense amplifiers also makes the architecture scalable, allowing for aggressive cost reduction and feature enhancement with each successive process generation.

CPLD Benefits

CPLDs perform a variety of useful functions in systems design due to their unique capabilities and as the market leader in programmable logic solutions, Xilinx provides a total solution to a designer's CPLD needs.